Table 2.

List of sIgA HR O-glycopeptides

RT (min)	Base Peak (Da)	Z	Error (ppm)	Formula	Hex	HexNAc	Neu5Ac	Relative intensity (%)
22.35	1441.7946	5	−3.5	C294 H459 N59 O143 S3	6	6	3	0.07
22.12	1383.5586	5	−15.9	C283 H442 N58 O135 S3	6	6	2	0.07
21.93	1325.1411	5	−15.4	C272 H425 N57 O127 S3	6	6	1	0.04
23.12	1467.5875	5	−14.1	C299 H466 N60 O146 S3	6	5	4	0.15
22.55	1409.3685	5	−14.6	C288 H449 N59 O138 S3	6	5	3	0.45
22.28	1351.1494	5	−15.3	C277 H432 N58 O130 S3	6	5	2	0.57
22.04	1292.9313	5	−15.2	C266 H415 N57 O122 S3	6	5	1	0.32
21.76	1234.7120	5	−16.1	C255 H398 N56 O114 S3	6	5	0	0.08
23.40	1435.1755	5	−15.4	C293 H456 N60 O141 S3	6	4	4	0.38
22.83	1376.9572	5	−15.5	C282 H439 N59 O133 S3	6	4	3	1.64
22.49	1318.7403	5	−14.6	C271 H422 N58 O125 S3	6	4	2	1.35
22.25	1260.1283	5	−9.6	C260 H405 N57 O117 S3	6	4	1	0.31
21.95	1502.3845	4	−10.2	C249 H388 N56 O109 S3	6	4	0	0.14
23.59	1344.5323	5	−26.5	C276 H429 N59 O128 S3	6	3	3	0.94
23.20	1286.3315	5	−13.5	C265 H412 N58 O120 S3	6	3	2	1.15
22.81	1227.9189	5	−8.9	C254 H395 N57 O112 S3	6	3	1	0.70
22.43	1169.7008	5	−8.5	C243 H378 N56 O104 S3	6	3	0	0.34
24.71	1485.1758	5	−24.0	C302 H470 N60 O149 S3	5	5	5	0.59
23.72	1427.1532	5	−27.4	C291 H453 N59 O141 S3	5	5	4	1.87
23.19	1368.7517	5	−15.7	C280 H436 N58 O133 S3	5	5	3	2.39
22.78	1310.5358	5	−14.0	C269 H419 N57 O125 S3	5	5	2	2.21
22.39	1252.3178	5	−13.8	C258 H402 N56 O117 S3	5	5	1	1.56
22.10	1193.9069	5	−7.6	C247 H385 N55 O109 S3	5	5	0	0.57
24.56	1452.7646	5	−24.9	C296 H460 N60 O144 S3	5	4	5	0.10
24.18	1394.5549	5	−19.2	C285 H443 N59 O136 S3	5	4	4	6.72
23.69	1336.3333	5	−21.9	C274 H426 N58 O128 S3	5	4	3	9.20
23.13	1278.1190	5	−19.2	C263 H409 N57 O120 S3	5	4	2	7.93
22.65	1219.7091	5	−12.6	C252 H392 N56 O112 S3	5	4	1	5.30
22.29	1161.4932	5	−10.5	C241 H375 N55 O104 S3	5	4	0	1.85
24.41	1303.9263	5	−19.8	C268 H416 N58 O123 S3	5	3	3	3.78
23.93	1245.5141	5	−15.2	C257 H399 N57 O115 S3	5	3	2	4.08
23.27	1187.3040	5	−8.4	C246 H382 N56 O107 S3	5	3	1	2.48
22.76	1129.0857	5	−8.1	C235 H365 N55 O99 S3	5	3	0	0.68
24.79	1213.1057	5	−13.8	C251 H389 N57 O110 S3	5	2	2	0.33
24.10	1154.8932	5	−8.8	C240 H372 N56 O102 S3	5	2	1	0.37
25.42	1412.1573	5	−19.6	C288 H447 N59 O139 S3	4	4	5	0.27
25.14	1353.9268	5	−28.9	C277 H430 N58 O131 S3	4	4	4	6.64
24.74	1295.7254	5	−16.5	C266 H413 N57 O123 S3	4	4	3	6.67
24.14	1237.5065	5	−17.1	C255 H396 N56 O115 S3	4	4	2	5.48
23.46	1179.0949	5	−11.6	C244 H379 N55 O107 S3	4	4	1	3.20
22.87	1120.8728	5	−15.0	C233 H362 N54 O99 S3	4	4	0	0.96
25.65	1321.5394	5	−12.0	C271 H420 N58 O126 S3	4	3	4	0.31
25.54	1263.3206	5	−12.4	C260 H403 N57 O118 S3	4	3	3	4.12
25.13	1204.8921	5	−20.7	C249 H386 N56 O110 S3	4	3	2	3.67
24.34	1146.6773	5	−18.1	C238 H369 N55 O102 S3	4	3	1	1.63
23.56	1088.4603	5	−17.2	C227 H352 N54 O94 S3	4	3	0	0.50
26.05	977.2487	6	−8.2	C243 H376 N56 O105 S3	4	2	2	0.16
24.69	928.7259	6	−16.0	C232 H359 N55 O97 S3	4	2	1	0.06
25.75	1222.5168	5	−2.9	C252 H390 N56 O113 S3	3	3	3	2.60
25.16	1164.2785	5	−19.5	C241 H373 N55 O105 S3	3	3	2	1.62
24.18	1106.2704	5	−10.7	C230 H356 N54 O97 S3	3	3	1	0.24
26.16	1131.8795	5	−9.9	C235 H363 N55 O100 S3	3	2	2	1.09
28.19	1199.5245	4	−8.6	C202 H310 N52 O77 S3	1	1	1	0.06
28.80	1035.4722	4	−5.6	C177 H270 N50 O59 S3	0	0	0	0.02